Yaskawa SGDV Series Servo Drives: SGDV-5R4D11A020000

Technical Dossier

Product Details And Specifications

Yaskawa SGDV Series: Comprehensive Module Range and Technical Overview

The Yaskawa SGDV series (Sigma-5) represents one of the most widely deployed AC servo drive platforms in global heavy industry. Installed across petrochemical complexes, nuclear power auxiliary systems, offshore refinery automation lines, and large-scale discrete manufacturing, the SGDV platform is recognized for its high-speed tuning algorithm, vibration suppression function, and compatibility with Yaskawa's MECHATROLINK-II/III motion network. Its global installed base — spanning North America, Europe, and Asia-Pacific — makes it a long-term maintenance obligation for plant engineers and MRO procurement teams alike.

The Evolution of SGDV Architecture

The Sigma series servo drive lineage began with the Sigma-I (SGDA) in the early 1990s, progressing through Sigma-II (SGDB), Sigma-III (SGDS), and Sigma-IV (SGDH) before culminating in the Sigma-5 (SGDV) platform, introduced circa 2008. The SGDV introduced a fully digital control loop with auto-tuning via the SigmaWin+ software suite, replacing the semi-analog parameter adjustment of earlier generations. Key architectural advances include: 32-bit RISC processor-based current control, integrated safety function (STO — Safe Torque Off) compliant with IEC 61800-5-2, dual-port MECHATROLINK-III support for high-speed multi-axis synchronization, and a unified parameter structure compatible with the Sigma-7 (SGDV successor) migration path. Plants that standardized on SGDV between 2008 and 2018 now face a mixed-lifecycle environment: the series entered the mature/declining phase post-2020, with Yaskawa officially recommending migration to SGDV7 (Sigma-7). However, the installed base remains extensive, and direct replacement of SGDV units without full system re-engineering is the dominant maintenance strategy in brownfield facilities.

SGDV Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked models within the Yaskawa SGDV (Sigma-5) series, classified by power rating and interface type. Each model designation encodes: current capacity, voltage class, interface option, and option code.

Single-Phase 200V Class (Small Frame)

• SGDV-R70A11A: 0.05 kW, 200V single-phase, analog/pulse interface, standard option
• SGDV-R90A11A: 0.1 kW, 200V single-phase, analog/pulse interface, standard option
• SGDV-1R6A11A: 0.2 kW, 200V single-phase, analog/pulse interface, standard option
• SGDV-2R8A11A: 0.4 kW, 200V single-phase, analog/pulse interface, standard option
• SGDV-5R5A11A: 0.75 kW, 200V single-phase, analog/pulse interface, standard option

Three-Phase 200V Class (Mid Frame)

• SGDV-7R6A11A: 1.0 kW, 200V three-phase, analog/pulse interface, standard option
• SGDV-120A11A: 1.5 kW, 200V three-phase, analog/pulse interface, standard option
• SGDV-180A11A: 2.0 kW, 200V three-phase, analog/pulse interface, standard option
• SGDV-200A11A: 3.0 kW, 200V three-phase, analog/pulse interface, standard option
• SGDV-330A11A: 5.0 kW, 200V three-phase, analog/pulse interface, standard option

Three-Phase 400V Class

• SGDV-1R9D11A: 0.5 kW, 400V three-phase, analog/pulse interface, standard option
• SGDV-3R5D11A: 1.0 kW, 400V three-phase, analog/pulse interface, standard option
• SGDV-5R4D11A020000: 1.5 kW, 400V three-phase, analog/pulse interface, option code 020000 (built-in regenerative resistor / safety option variant)
• SGDV-8R4D11A: 2.0 kW, 400V three-phase, analog/pulse interface, standard option
• SGDV-120D11A: 3.0 kW, 400V three-phase, analog/pulse interface, standard option
• SGDV-170D11A: 5.0 kW, 400V three-phase, analog/pulse interface, standard option
• SGDV-210D11A: 7.5 kW, 400V three-phase, analog/pulse interface, standard option
• SGDV-260D11A: 11.0 kW, 400V three-phase, analog/pulse interface, standard option
• SGDV-370D11A: 15.0 kW, 400V three-phase, analog/pulse interface, standard option

MECHATROLINK-III Interface Variants

• SGDV-5R4D21A: 1.5 kW, 400V, MECHATROLINK-III interface (type 21)
• SGDV-120D21A: 3.0 kW, 400V, MECHATROLINK-III interface (type 21)

Sourcing Hard-to-Find & Obsolete SGDV Parts

As the SGDV series transitions into its end-of-active-production phase, procurement of specific option-coded variants — such as the SGDV-5R4D11A020000 — becomes progressively more difficult through standard distribution channels. Yaskawa's authorized distributors prioritize current-generation Sigma-7 inventory, leaving brownfield operators dependent on specialist MRO suppliers for SGDV continuity.

DriveKNMS maintains a dedicated SGDV lifecycle inventory program covering: new-old-stock (NOS) units sourced from decommissioned OEM lines, factory-refurbished units with full parameter reset and functional verification, cross-reference mapping to Sigma-7 equivalents for sites planning phased migration, and emergency same-week dispatch for critical process downtime scenarios. All SGDV units are stored in ESD-safe, climate-controlled warehousing and shipped with full traceability documentation.

Quality Control for the SGDV Range

The SGDV series employs a high-frequency PWM current control loop and a multi-layer backplane integrating encoder feedback, safety I/O, and MECHATROLINK bus communication on a single PCB assembly. Standard bench testing is insufficient for validating these interdependencies. DriveKNMS applies a dedicated SGDV test protocol that includes: full-load dynamic torque response test using matched SGMJV/SGMGV servo motor test rigs, encoder signal integrity verification (incremental and absolute serial encoder types), STO (Safe Torque Off) functional safety circuit continuity test per IEC 61800-5-2, MECHATROLINK-II/III communication handshake and cyclic data integrity test, thermal cycling under rated current for minimum 30 minutes, and parameter backup and restoration using SigmaWin+ v5/v7 software. Units that fail any test stage are quarantined and not returned to inventory.